With any nonzero depolarizing readout noise, adaptive quantum state tomography loses its asymptotic 1/N accuracy scaling and falls back to the non-adaptive 1/sqrt(N) scaling, even under exact readout-error mitigation.
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Limitations for adaptive quantum state tomography in the presence of detector noise
With any nonzero depolarizing readout noise, adaptive quantum state tomography loses its asymptotic 1/N accuracy scaling and falls back to the non-adaptive 1/sqrt(N) scaling, even under exact readout-error mitigation.